angie has 12 feet if string.She will cut the string into equal lengths of 5 inches each.How much string will be left after she cuts as many of these lengths as possible?

Answers

Answer 1

Answer: 12 ÷ 5 = 2.4. So there will be 0.4 string left.

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If a polynomial function f(x) has roots -9 and 7-i, what must be a factor of f(x)

Answers

Answer:

A. (x - (7 + i))

Step-by-step explanation:

Answer:

(x – (7 + i))

Step-by-step explanation:

option A

Darcy, Jason and Maria share.$268. Jason has $20more than Darcy and Maria has twice as much money as Jason. How much money do Darcy and Jason have altogether?

Answers

$x-Jason's\ money\nx-20-Darcy's\ money\n2x-Maria's\ money\n\nx+x-20+2x=268\nx+x+2x=268+20\n4x=288\ \ \ \ \ \ \ |:4\nx=72\n\n72-20=52\n\n72+52=124\n\nDarcy\ and\ Jason\ has\ \$124\ alltogether$

Answer:

$124.

Jason- 20$ more than Darcy

Maria- Twice as much as Jason

Darcy- 20$ less than half of Maria's sum.

Step-by-step explanation:

After I had written the page below, I came back up here and realized there was a much easier way.

268/2 = 134

Since the 20 Is added after, half is subtracted and you end up with

124!!

Now for my explanation done first, typed and read as I figured it out.

First and mostly, we need to find what Darcy starts with.

Let's say that Darcy has 5 dollars, to start somewhere easy. That would mean that Jason has 25 dollars since he has 20 more than her. That would mean that Maria would have 50 dollars, and the looted sum is 80.

Since that is less than a quarter of our end goal of 268$, I raised Darcy's initial amount of money to 15 to triple her money.

Math revised here- 15+20= (35*2) 70= 120

15+35+70

Since that is too low, I'm adding it to 30$.

Math revised again here- 30+20=(50*2)=100= 180

30+50+100

5 15 30

80 120 180

That is a chart determining our answers so far. There is no clear pattern, so let us continue.

Darcy starts with 50 dollars for this one.

50+20=(70*2)=140

50+70+140

260.

We are close to the sum.

Darcy starts with $52

52+20(72*2)= 144

52+72+144

268!

This means we have found how much Darcy has, and since Jason's amount depends on her, we have found both of their sums!

A train travels with a constant speed of 86 kilometers per hour. How far can it travel in 4 hours

Answers

Answer:

your answer will be 344 kilometers in 4 hours

Answer:

345

Step-by-step explanation:

2 quarts is how many pints

Answers

4 pints because 1 quart is 2 pints so 2 times 2 is 4

2 pints is equal to 1 quart .So 4 pints is equal to 2 quarts. Hope this helps.

Arrange these numbers from least to greatest:

Answers

The answer is C, I think.

The answer is C.............

A box contains seven green marbles, six blue marbles and eight orange marbles. Without looking, you choose two marbles out of the bag. What is the probability that both be green if you don’t replace the marble after the first pick?

Answers

Answer:

The probability is 0.1 (or 10%)

Step-by-step explanation:

The probability is the ratio of the number of favorable outcomes and the total number of possible outcomes.

The favorable count is determined as follows: we are considering Green marbles. There are 7 of them in the box, so 7 possible picks at the first draw. Since you don't replace the pick, at the next drawing there are only 6 Green ones. So for each of the 7 possible first picks, there are 6 possible second picks: number of possibilities is 7 by 6 = 42.

The total number of possible drawings, irrespective of color is determined as follows: there are 21 marbles in total at first drawing, and 20 at second. So, for each first pick there are 20 possibilities, i.e., total number is 21 by 20 = 420

The probability is therefore:

P = 42 / 420 = 1 / 10 = 0.1 (or 10%)

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